Is A positive?
(1) x^2-2x+A is positive for all x
(2) Ax^2+1 is positive for all x
The OA is A.
What is the best way to determine whether the statement 1 is sufficient?
Is A positive?
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Check my first and third posts here:Vincen wrote:Is A positive?
(1) x^2-2x+A is positive for all x
(2) Ax^2+1 is positive for all x
https://www.beatthegmat.com/is-a-positiv ... 95111.html
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Followed here and elsewhere by over 1900 test-takers.
I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.
As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.
For more information, please email me (Mitch Hunt) at [email protected].
Student Review #1
Student Review #2
Student Review #3